OpenTechnical

OT-2026-000092290

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000092290) never changes.

Identity and time

Publication numberOT-2026-000092290 · never reused
Internal UUID01a0ae9d-875b-7b48-8351-0cab7a3ca7c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092290
StatusPUBLIC

Content hashes

Canonical textd62fa942d35ca900651a66a91b9322fc23f2a6ad8a19ae67d83c7ba701adab8a
Markdowndcba3a586fc83d608c7aaeaa44870bb07b91f85afe4513b994150548e40ad568
PDF
Publication page1eb1edbe8fd80b80475d399cca79cdeb6883f32a897d627e4fe12f8ef3fee1f8
Manifestadc9a5f865e7bce45114d47f1d6fa3ecf5797b47319032961884a54e76e2d2bc

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturep2fLoSmMw1uoek3BLFgYLqu4T+mHncVFxnsQL+GhjC+MSmZxeor/XDvUbAdxYtQJsQ+1QU71b5Mx7OdWc+mwAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:49.697226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092290
observed 1eb1edbe8fd80b80475d399cca79cdeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:49.680252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092290/manifest.json
observed adc9a5f865e7bce45114d47f1d6fa3ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:49.663684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092290/publication.md
observed dcba3a586fc83d608c7aaeaa44870bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:49.646806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092290/publication.txt
observed d62fa942d35ca900651a66a91b9322fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.